Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/mlx5/accel.h b/include/linux/mlx5/accel.h
index 70e7e56..5613e67 100644
--- a/include/linux/mlx5/accel.h
+++ b/include/linux/mlx5/accel.h
@@ -114,7 +114,7 @@
 	MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN	= 1 << 7,
 };
 
-#ifdef CONFIG_MLX5_ACCEL
+#ifdef CONFIG_MLX5_FPGA_IPSEC
 
 u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev);